pop one’s cherry

"'Please let me go, Master!' If you can say that sweetly, I'll let you go." The two are considered perfect alphas. The two, who are not particularly close to each other, have been childhood friends since they were small and have a bad relationship. It changes when Sakuma goes into heat and starts groping himself while sniffing the scent off of Renji's uniform. Renji is said to be an honor student by the people around him, but in reality, he is a genuine Sadist who loves to tie up and bully his partners... Not only was it found by the guy who he didn't want to find it out the most, but he is now also tampered with and disturbed by Sakuma's...!? (Source: Kasakura Shuppansha, translated)